Cycle case of selected text ( Mixed -> Upper -> Lower -> Initial Caps ...)

dfay · May 14, 2018, 7:42pm

There’s a bug in this such that single letter words disappear when toggling to title case.

Also it’s not true title case, it’s just capitalized. Not to be pedantic but this matters if you’re trying to keep a clean bibliographic database. See my Alfred workflow for the difference and an example for how to implement in Perl: https://www.alfredforum.com/topic/2180-case-converter-including-title-case/

And here’s a JS implementation based on the Perl script that I borrowed there:

github.com

gouch/to-title-case/blob/master/to-title-case.js

/* 
  * To Title Case 2.1 – http://individed.com/code/to-title-case/
  * Copyright © 2008–2013 David Gouch. Licensed under the MIT License.
 */

String.prototype.toTitleCase = function(){
  var smallWords = /^(a|an|and|as|at|but|by|en|for|if|in|nor|of|on|or|per|the|to|vs?\.?|via)$/i;

  return this.replace(/[A-Za-z0-9\u00C0-\u00FF]+[^\s-]*/g, function(match, index, title){
    if (index > 0 && index + match.length !== title.length &&
      match.search(smallWords) > -1 && title.charAt(index - 2) !== ":" &&
      (title.charAt(index + match.length) !== '-' || title.charAt(index - 1) === '-') &&
      title.charAt(index - 1).search(/[^\s-]/) < 0) {
      return match.toLowerCase();
    }

    if (match.substr(1).search(/[A-Z]|\../) > -1) {
      return match;
    }

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